https://www.youtube.com/watch?v=UoBPNTAFZMo
https://www.youtube.com/watch?v=DxQc6u2f3-0
上面兩條片用咗同一個方法嚟搵mp3 lose咗啲乜
方法係將一個wav轉做mp3
將兩個tracks疊埋一齊, 對正兩個wave form
將其一個wave form反轉, 相等如兩個wave form相減
再一齊播
咁播出嚟嘅嘢就係mp3失去咗嘅聲音
咁入面除咗高頻聲,重聽到啲人聲,同唔少應該係效擊聲
大家可以參考下
佢哋用嘅software係Audacity, 可能早就有巴打share過
如果想試可以去可以去down嚟玩玩, 佢係免費
我有時會用Audacity gen啲奇怪tone出嚟試嘢
佢啲function我唔係用得好多
-0.2巴應該熟行好多(不過可能用pro啲嘅software)
https://www.audacityteam.org/